More stuff from the Sun rescue
mcguire at neurotica.com
Tue Oct 30 19:10:55 CDT 2007
On Oct 30, 2007, at 10:19 AM, Sridhar Ayengar wrote:
>>> There's also many boards for a (can't remember the name, it starts
>>> with "T" and is the ultra-high-reliability system that runs 2 or 4
>>> processors in parallel. Think it's PA-RISC, but can't recall for
>>> sure). I don't have them, but can pick them up tomorrow if anyones
>> Tandem? If so, those will almost definitely be MIPS processors.
> Refresh my memory how those worked? Two processors in lock-step?
> Three processors in a voting quorum?
I don't know which machines are which, but the ones Doug Humphrey
showed me (when he worked at Tandem) used three R3000 processors in a
voting system. It was very impressive.
Port Charlotte, FL
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